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SC1406A - PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER

Description

The SC1406A is a High Speed, High performance Hysteretic Mode controller.

It is part of a two chip solution, with the SC1405 Smart Driver, providing power to advanced micro-processors.

Features

  • Low Battery Detect and Undervoltage Lock-Out for the main Hysteretic controller to assure V-DC is within acceptable limits. An Over-Current comparator disables the main controller during an overcurrent condition using an externally programmable threshold.

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Datasheet preview – SC1406A

Datasheet Details

Part number SC1406A
Manufacturer Semtech Corporation
File Size 175.80 KB
Description PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER
Datasheet download datasheet SC1406A Datasheet
Additional preview pages of the SC1406A datasheet.

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Full PDF Text Transcription

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PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER January 28, 2000 ® SC1406A TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com DESCRIPTION The SC1406A is a High Speed, High performance Hysteretic Mode controller. It is part of a two chip solution, with the SC1405 Smart Driver, providing power to advanced micro-processors. It uses a Dynamic Set Point switching technique along with an ultra-fast comparator to provide the control signal to an external high speed Mosfet driver. A 5-bit DAC sets the output voltage, thus providing a voltage resolution of 25mV. SC1406A has two on-chip linear regulators which drive external PNP transistors with output voltage settings of 1.5V and 2.5Vdc. The linear regulator drivers have a separate soft start.
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